FDEM numerical modeling of failure mechanisms of anisotropic rock masses around deep tunnels

P Deng, Q Liu, X Huang, Y Pan, J Wu - Computers and Geotechnics, 2022 - Elsevier
The failure mechanism and failure mode of anisotropic rock masses are very different from
those of isotropic rock masses. For unsupported tunnels, the failure modes of anisotropic …

Numerical and experimental investigation of the anisotropic tensile behavior of layered rocks in 3D space under Brazilian test conditions

H Wang, T Ma, Y Liu, B Wu, PG Ranjith - International Journal of Rock …, 2023 - Elsevier
Brazilian disc (BD) testing is a typical method for measuring the indirect tensile strength of
rock materials. Both experimental and theoretical studies involving BD testing of anisotropic …

Mechanism analysis of tunnel collapse in a soft-hard interbedded surrounding rock mass: A case study of the Yangshan Tunnel in China

X Liu, F Liu, K Song - Engineering Failure Analysis, 2022 - Elsevier
Tunnels are unavoidably constructed in layered rock masses, and tunnel collapses are often
associated with such layering. Two violent collapses at the Yangshan tunnel were analysed …

Study on large deformation and failure mechanism of deep buried stratified slate tunnel and control strategy of high constant resistance anchor cable

X Sun, M Jiang, C Miao, J Wang, J Zhang - Engineering Failure Analysis, 2023 - Elsevier
Aiming at the significant deformation problem of deep buried stratified soft rock tunnel, taking
the No. 3 inclined shaft of Muzhailing tunnel as background, the deformation and failure …

Dynamic mechanical properties and failure characteristics of layered composite rock containing a tunnel-shaped hole

Z Wang, Z Zhu, L Zhou, M Wang, L Ma, F Nie… - Theoretical and Applied …, 2024 - Elsevier
To investigate the dynamic mechanical properties and failure characteristics of the
surrounding rock mass in layered strata, composite specimens with a circular hole and a …

Crack evolution of soft-hard composite layered rock-like specimens with two fissures under uniaxial compression

D Zhou, Y Ye, N Hu, W Wang, X Wang - Frontiers of Structural and Civil …, 2021 - Springer
Acoustic emission and digital image correlation were used to study the spatiotemporal
evolution characteristics of crack extension of soft and hard composite laminated rock …

Acoustic emission characteristics in hydraulic fracturing of stratified rocks: a laboratory study

Z Jiang, Q Li, Q Hu, Y Liang, Y Xu, L Liu, X Wu, X Li… - Powder technology, 2020 - Elsevier
Acoustic emission (AE) is a popular technique to monitor the process of rock failure during
hydraulic fracturing for unconventional natural gas production. It contains abundant …

Asymmetric large deformation of tunnel induced by groundwater in carbonaceous shale

C Zhao, M Lei, C Jia, K Zheng, Y Song… - Bulletin of Engineering …, 2022 - Springer
Abstract The Xinhua Mountain Tunnel, which belongs to Zhangjiajie-Jishou-Huaihua
Highspeed Railway, encounters asymmetric large deformation when tunnelling through …

Similar model test of a mudstone-interbedded–sandstone-bedding rock tunnel

D Zhao, Q He, Q Ji, F Wang, H Tu, Z Shen - Tunnelling and Underground …, 2023 - Elsevier
Abstract Herein, for the Zhengzhou–Wanzhou high-speed railway mudstone-interbedded–
sandstone-bedding rock tunnel, the mechanical parameters of the surrounding rock were …

Experimental investigation on the failure and deformation mechanisms of tunnels in horizontally stratified-interbedded rock masses

M Xiang, J Yang, J Fu, J Wu, Z Liu - Engineering Failure Analysis, 2024 - Elsevier
A number of typical cases in China show that for tunnels in stratified rock masses, the tunnel
structure and surrounding rock are often exposed to damage, which affects the safety of …